| Referência no. | Muus, B. and P. Dahlström, 1978 |
| Ecossistema | North Sea |
| Estado | native |
| Abundância | |
| Fase de vida | adults |
| Base de dados regional | |
| Notas | Threatened in Skagerrak and Kattegat due to habitat loss (Ref. 83294). HELCOM's status of threat based on IUCN classification: endangered (Ref. 83294). |